Measurement report: Size-resolved particle effective density measured by an AAC-SMPS and implications for chemical composition. - Song, Yao; Wei, Jing; Zhao, Wenlong; Ding, Jinmei; Pei, Xiangyu; Zhang, Fei; Xu, Zhengning; Shi, Ruifang; Wei, Ya; Zhang, Lu; Jin, Lingling; Wang, Zhibin (Atmospheric Chemistry & Physics, 2025)